package com.yc.spring.bbs.dao;

import com.yc.spring.bbs.bean.User;
import org.springframework.context.annotation.Primary;
import org.springframework.stereotype.Component;
import org.springframework.stereotype.Repository;

import java.util.ArrayList;
import java.util.List;

@Component
@Primary
public class UserDaoImpl implements UserDao {
    @Override
    public void insert(User user) {
        System.out.println("======= UserDaoImpl.insert ========");
    }

    @Override
    public void update(User user) {
        System.out.println("======= UserDaoImpl.update ========");
    }

    @Override
    public void delete(User user) {
        System.out.println("======= UserDaoImpl.delete ========");
    }

    @Override
    public void selectOne(Object id) {
        int i=1/0;  // 异常
        System.out.println("======= UserDaoImpl.selectOne ========");
    }

    @Override
    public List<User> selectList(User user, Integer page, Integer rows) {
        System.out.println("======= UserDaoImpl.selectList ========");
        return new ArrayList<>();
    }

    @Override
    public long count(User user) {
        try {
            Thread.sleep((long) (Math.random() * 2000));
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println("======= UserDaoImpl.count ========");
        return 0;
    }
}
